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AGS: Fix possible index out of bounds in PalRender plugin

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From upstream 3e25fc6a550b471f472af80ac87966f8998d7fc7
Originally reported by mjunix@8b8a597
This commit is contained in:
Walter Agazzi 2023-08-25 16:47:21 +02:00
parent 2a255da048
commit b1279dcbd1
1 changed files with 6 additions and 6 deletions

12
engines/ags/plugins/ags_pal_render/raycast.cpp

@ -632,33 +632,33 @@ void AGSPalRender::MakeTextures(ScriptMethodParams &params) {
void AGSPalRender::Ray_SetFloorAt(ScriptMethodParams &params) {
PARAMS3(int, x, int, y, int, tex);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT || tex > 511) return;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT || tex > 511) return;
else floorMap[x][y] = tex;
}
void AGSPalRender::Ray_SetCeilingAt(ScriptMethodParams &params) {
PARAMS3(int, x, int, y, int, tex);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT || tex > 511) return;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT || tex > 511) return;
else ceilingMap[x][y] = tex;
}
void AGSPalRender::Ray_GetCeilingAt(ScriptMethodParams &params) {
PARAMS2(int, x, int, y);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT) params._result = -1;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT) params._result = -1;
else params._result = ceilingMap [x][y];
}
void AGSPalRender::Ray_GetFloorAt(ScriptMethodParams &params) {
PARAMS2(int, x, int, y);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT) params._result = -1;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT) params._result = -1;
else params._result = floorMap [x][y];
}
void AGSPalRender::Ray_GetLightingAt(ScriptMethodParams &params) {
PARAMS2(int, x, int, y);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT) params._result = -1;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT) params._result = -1;
else {
int lighting = 0;
if (ceilingMap[x][y] == 0) {
@ -671,7 +671,7 @@ void AGSPalRender::Ray_GetLightingAt(ScriptMethodParams &params) {
void AGSPalRender::Ray_SetLightingAt(ScriptMethodParams &params) {
PARAMS3(int, x, int, y, unsigned char, lighting);
if (x < 0 || x > MAP_WIDTH || y < 0 || y > MAP_HEIGHT) return;
if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT) return;
else {
lightMap [x][y] = lighting;
}